Toyota 2VZ-FE Manual page 143

EFI SYSTEM – Air Induction System (Air Flow Meter)
AIR INDUCTION SYSTEM
Air Flow Meter
ON–VEHICLE INSPECTION
INSPECT RESISTANCE OF AIR FLOW METER
(a) Disconnect the air flow meter connector.
(b) Using an ohmmeter, measure the resistance between
each terminal.
Between
terminals
VS – E2
VC – E2
THA – E2
FC – E1
If the resistance is not as specified, replace the air flow meter.
(c) Reconnect the air flow meter connector.
REMOVAL OF AIR FLOW METER
1. DISCONNECT CABLE FROM NEGATIVE TERMINAL OF
BATTERY
Caution: Work must be started after approx. 20 seconds
or longer from the time the ignition switch is turned to the
"LOCK" position and the negative (–) terminal cable dis-
connected from the battery.
Temp. °C(°F)
Resistance ( )
200 – 600
200 – 400
10,000 – 20,000
4,000 – 7,000
2,000 – 3,000
900 – 1,300
400 – 700
Infinity
FI–37
–
–
–20 (–4)
0 (32)
20 (68)
40 (104)
60 (140)
–